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The Case for a Single
National Depository
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Banks play two distinct roles: They serve as depositories in the
payment system, and they operate as financial intermediaries to seek
profits through their own investments. Under the existing fractional
reserve
system, their lending creates new deposits without requiring an equal
increase in bank reserves or bank capital. That leverage gives them enormous
financial and
political power which has often been misused.
Far too much bank lending goes to support purely speculative activities
which distort the financial markets, inflate asset prices, increase
the fragility of the financial system, and serve no useful purpose in
the real economy.
A 100 Percent Reserve System
These problems would be much less prevalent in a banking system in
which deposits are required to be fully backed by reserves. In
such a system, a bank could only lend the Fed funds it held in excess
of the required reserves. It could not issue a loan by simply
creating a new deposit for the borrower. Thus the ability of a bank to
leverage its bets would end.
Banks would focus on ordinary financial intermediation, borrowing at
one rate and lending at a higher rate. The reserves acquired through new deposits would be
fully
encumbered, and offer no opportunity to create profitable
investments. Banks would therefore have little incentive to acquire new
deposits other than as a potential source of funds they could borrow to support their investments. In that case, why should banks
continue to serve as depositories in a 100 percent reserve system? Surely there must be a more efficient system.
Proposal for a Single National Depository
Suppose the government established a National Bank to take over the
depository role of private banks. It would accept deposits,
execute payment orders, and provide cash in exchange for funds on
deposit, but it would not lend or borrow money, or offer time deposits. All deposits would be transaction
deposits and earn no interest, since they are the equivalent of cash.
Payment orders would be executed by simply transferring funds between
the accounts of depositors. Orders would be accepted by electronic
means, e.g. plastic cards, the Internet, or the Fed wire. Paper checks
would be phased out. Deposit insurance would be eliminated since all
deposits are base money created by the Fed, on which there is no credit
risk.
With a single national depository, all accounts would be kept on one
computer system. Verifying balances and making payments could be done
in real time. Without a depository role, private banks would evolve
into ordinary financial intermediaries which we will call financial
service companies (FSCs).
One should not confuse the twelve Federal Reserve Banks with the
proposed National Bank. However the computer for the National Bank
would be an extension of the Fed's computer system and record the
individual deposit liabilities of the Fed itself. The Reserve Banks would provide
the facilities and operate the National Bank. Local branches would be
needed for cash withdrawals or deposits, most of which could be done
through ATMs.
Monetary Policy Implementation
The National Bank would be the dollar-denominated depository for the
U.S. Treasury as well as the entire private sector. Since the only
money of direct concern to the economy is that held by the private
sector, we define the money supply to exclude the deposits held by all
government entities, including the Treasury and foreign central banks.
Deposits in the National Bank would represent actual base money rather than
claims on base money. Thus the concept of reserves loses
its meaning. The Fed would implement monetary policy by
managing the money market rate since the Fed funds interbank lending market would no longer exist. The
money market rate could be defined as the average interest rate that
major FSCs lend to each other on a short-term basis, say 30 days.
Alternatively it could be the London Inter-Bank Offer Rate (LIBOR) on
30-day Eurodollar placements.
When the interest rate in the money market rose above the target rate,
the Fed would purchase securities in the open market to increase
deposits in the National Bank. Conversely when the interest rate fell
below the target rate, the Fed would sell securities from its own
portfolio. In this way the Fed would continually adjust the supply of
short-term loanable funds to meet the demand at its target rate.
The Treasury would no longer hold Treasury Tax & Loan accounts in
thousands of commercial banks, and continually transfer funds from
them to replenish a Fed account, which would no longer exist. Rather the Treasury would spend out of its
account in the National Bank, and deposit its
receipts from taxes and bond sales in the same account. However it
would still sell or redeem securities
as needed to maintain an approximate balance between its inflows and
outflows, as in the current system. That's necessary in order to avoid
impacting the money supply, which would affect the Fed's ability to implement monetary policy.
The Importance of Financial Service Companies
FSCs pool the savings of investors and make them available to
borrowers. They buy and sell financial instruments as diverse as bonds,
mortgages, mutual fund shares, and insurance policies. FSCs today issue
most of the credit on which the economy runs. In the proposed system,
they would issue nearly all of it.
Those seeking a return on their liquid assets have a variety of
investment options. For example they could purchase money market mutual
funds, Treasury bills, or make short term loans to FSCs. None of these
are deposits and none are insured, although T-bills are free of credit
risk.
The two-tier system of bank-issued credit money backed by reserves of base money would no
longer exist. The only type of money would be base money, all of which
is created by the Fed. That means the Fed would have direct control of
the aggregate money supply. As in the fractional reserve system, an FSC
could lend but only by transferring funds from its own account to the
borrower's account.
An FSC in good standing could borrow from the Fed, just as private
banks do now. The interest rate on Fed loans would be set 100 basis
points above the money market target rate. With that large a spread,
the lending facility would be used only for short term cash flow problems,
and not as a source of funds to invest. The borrower would have to
pledge Treasury securities as collateral. The loan could be rolled over
indefinitely as long as the borrower had sufficient funds on deposit to
pay the interest and to cover any change in the market value of the
collateral.
Minimizing Systemic Risk
FSCs differ widely in the degree to which they mismatch the maturity of
their assets and liabilities. Mismatching creates a potential cash flow
problem. The main concern is a systemic failure in which a major
default by one FSC could bring down many others due to the cascading of
liabilities among them.
A single depository system would not automatically end excessive
risk-taking by FSCs. Therefore capital adequacy requirements should be
imposed on all FSCs. For those designated as "too large to fail"
because of the chaos such failure might create, the required ratio of
capital to risk-adjusted assets should be an increasing function of the
mismatch in their maturities.
Government insurance should not be provided on the financial
instruments offered by the FSCs. Bond rating agencies could rate the credit worthiness of FSCs as institutions.
That would be of great value to investors, but more importantly FSCs
would tend to avoid practices that reflect badly on their portfolios in
the competitive business of lending for profit.
Implementing the System
Implementing
such a system could not be done overnight. It would have to be
carefully planned and phased in slowly enough to give all parties
adequate time to make the necessary adjustments. A logical way to
proceed would be to periodically increase the reserve ratio requirement
on banks until it reached 100 percent. By that time, their
interest-earning deposit liabilities should have been paid off, leaving
only demand deposits fully backed by reserves.
To acquire the funds to pay off their interest-earning deposits, banks would likely have
to call loans and downsize their balance sheets. To provide sufficient
money to meet the needs of the economy, the Fed would have to monetize
additional debt by purchasing Treasury securities held by the public.
Much of that would be done as a result of the Fed simply
executing its monetary policy, that is by adjusting the money supply to
meet the demand at its target interest rate.
In transitioning to a single national depository, all demand deposits
of banks and the reserves backing them would be transferred to the
National Bank after 100% reserves had been achieved. Private
banks would then become FSCs, or sell out to existing
FSCs. Without the depository role, they would no longer need the
same number of branch offices. The Fed would likely buy some of them in
setting up its own depository branch offices.
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